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CGUIFontTTF Class Referenceabstract
Inheritance diagram for CGUIFontTTF:
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Collaboration diagram for CGUIFontTTF:
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Classes

struct  Character
 
struct  CTranslatedVertices
 
struct  Glyph
 
struct  RunInfo
 

Public Member Functions

void Clear ()
 
bool Load (const std::string &strFilename, float height=20.0f, float aspect=1.0f, float lineSpacing=1.0f, bool border=false)
 
void Begin ()
 
void End ()
 
virtual CVertexBuffer CreateVertexBuffer (const std::vector< SVertex > &vertices) const
 
virtual void DestroyVertexBuffer (CVertexBuffer &bufferHandle) const
 
const std::string & GetFontIdent () const
 

Static Public Member Functions

static CGUIFontTTFCreateGUIFontTTF (const std::string &fontIdent)
 

Protected Member Functions

 CGUIFontTTF (const std::string &fontIdent)
 
void AddReference ()
 
void RemoveReference ()
 
std::vector< GlyphGetHarfBuzzShapedGlyphs (const vecText &text)
 
float GetTextWidthInternal (const vecText &text)
 
float GetTextWidthInternal (const vecText &text, const std::vector< Glyph > &glyph)
 
float GetCharWidthInternal (character_t ch)
 
float GetTextHeight (float lineSpacing, int numLines) const
 
float GetTextBaseLine () const
 
float GetLineHeight (float lineSpacing) const
 
float GetFontHeight () const
 
void DrawTextInternal (CGraphicContext &context, float x, float y, const std::vector< UTILS::COLOR::Color > &colors, const vecText &text, uint32_t alignment, float maxPixelWidth, bool scrolling, float dx=0.0f, float dy=0.0f)
 
CharacterGetCharacter (character_t letter, FT_UInt glyphIndex)
 
bool CacheCharacter (FT_UInt glyphIndex, uint32_t style, Character *ch)
 
void RenderCharacter (CGraphicContext &context, float posX, float posY, const Character *ch, UTILS::COLOR::Color color, bool roundX, std::vector< SVertex > &vertices)
 
void ClearCharacterCache ()
 
virtual std::unique_ptr< CTextureReallocTexture (unsigned int &newHeight)=0
 
virtual bool CopyCharToTexture (FT_BitmapGlyph bitGlyph, unsigned int x1, unsigned int y1, unsigned int x2, unsigned int y2)=0
 
virtual void DeleteHardwareTexture ()=0
 
void SetGlyphStrength (FT_GlyphSlot slot, int glyphStrength)
 
unsigned int GetTextureLineHeight () const
 the height of each line in the texture. Accounts for spacing between lines to avoid characters overlapping.
 
unsigned int GetMaxFontHeight () const
 

Static Protected Member Functions

static void ObliqueGlyph (FT_GlyphSlot slot)
 

Protected Attributes

float m_height {0.0f}
 
std::unique_ptr< CTexturem_texture
 
unsigned int m_textureWidth {0}
 
unsigned int m_textureHeight {0}
 
int m_posX {0}
 
int m_posY {0}
 
UTILS::COLOR::Color m_color {UTILS::COLOR::NONE}
 
std::vector< Characterm_char
 
Characterm_charquick [LOOKUPTABLE_SIZE] {nullptr}
 
bool m_ellipseCached {false}
 
float m_ellipsesWidth {0.0f}
 
unsigned int m_cellBaseLine {0}
 
unsigned int m_cellHeight {0}
 
unsigned int m_maxFontHeight {0}
 
unsigned int m_nestedBeginCount {0}
 
FT_Face m_face {nullptr}
 
FT_Stroker m_stroker {nullptr}
 
hb_font_t * m_hbFont {nullptr}
 
float m_originX {0.0f}
 
float m_originY {0.0f}
 
unsigned int m_nTexture {0}
 
std::vector< CTranslatedVerticesm_vertexTrans
 
std::vector< SVertexm_vertex
 
float m_textureScaleX {0.0f}
 
float m_textureScaleY {0.0f}
 
const std::string m_fontIdent
 
std::vector< uint8_t > m_fontFileInMemory
 
CGUIFontCache< CGUIFontCacheStaticPosition, CGUIFontCacheStaticValuem_staticCache
 
CGUIFontCache< CGUIFontCacheDynamicPosition, CGUIFontCacheDynamicValuem_dynamicCache
 
CRenderSystemBasem_renderSystem
 

Friends

class CGUIFont
 

Member Function Documentation

◆ DrawTextInternal()

void CGUIFontTTF::DrawTextInternal ( CGraphicContext context,
float  x,
float  y,
const std::vector< UTILS::COLOR::Color > &  colors,
const vecText &  text,
uint32_t  alignment,
float  maxPixelWidth,
bool  scrolling,
float  dx = 0.0f,
float  dy = 0.0f 
)
protected
Todo:
: This validate is the last resort and can result in a bad rendered text because the alignment it is used also by caller components for other operations this inform the problem on the log, potentially can be improved by add validating alignments from each parent caller component

The documentation for this class was generated from the following files: